RIM evolves their BlackBerry hardware slowly-- with millions of Crackberry addicts, they don't want to mess with a good thing. And we have to say their trackpad that replaces the beloved BlackBerry trackball is simply amazing. Likewise, the top media playback controls are cool and useful. Beyond those, the Curve 8520 is a basic 'Berry for T-Mobile with EDGE, UMA calling over WiFi, a QVGA display and a 2 megapixel camera.